From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   fbcde15978ef..12e6622d4a66  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 12e6622d4a66 [Support] Avoid setting minor/subminor/build in VersionTuple::withMajorReplaced (#139318)